got rid of some dead code
added some tree methods for primitive voxel editing
change to encodeTreeBitstreamRecursion() to allow calling without viewFrustum
added read/write voxel files
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
fixed acidental local mode
added save/load persistant file on server startup
added voxel-edit tool, as well as made voxel file read/write work, disabled voxel persist on server shutdown
added --wantVoxelPersist command line to server
fixed local domain
adding command options
added TREE_SCALE to default camera farClip
Merge pull request #199 from ZappoMan/master

fixed bug in case of bogus avatar position file
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
fixed comment
set dirty bit on tree in a couple new places
persist voxels in main loop
make readFromFileV2() return bool for file exists
make default server behavior be voxel persistance
removed signal handlers, since we weren't using them and they were segfaulting